Last summer, the inspector general reported that undercover agents were able to sneak fake guns and bombs past the TSA about 95 percent of the time. But, as evidenced by the TSA’s Instagram account, TSA agents have definitely confiscated some knives.

On Sunday, a Washington man was arrested after allegedly running naked through his neighborhood waving a knife—but not before treating police to a surprise banjo concert, KPTV reports.

A woman angered by a poor internet connection was arrested on Thursday after police say she threatened a group of teens with a knife outside an Oklahoma Taco Bell, KOKI-TV reports.

A Seattle-area school district has agreed to let a Sikh elementary school student carry a dagger to school every day, as long as it stays concealed. Said a district official, "That allows them to express their religion without jeopardizing anyone's feeling of safety."

Police arrested a man at the Detroit Metro Airport after TSA agents found a knife hidden in the lining of his shoe. The TSA heralded this man's ability to hide a weapon in his shoe, saying it was "artfully concealed."

"Each blade takes up to a month to make, comprises as many as 6,000 layers of steel and can slice an onion so thin you can read through it." But... why?

Cops apprehended a man with a knife on the plaza outside of the Today show this morning while the hosts filmed the program. The man was cutting himself with the weapon as the security team tackled him.

I've never been a teacher. And thank god, because I can say with 98% certainty that the majority of my day would consist of me, standing in front of a room full of unruly "tweens" who Just Won't Listen, stroking a piece of cutlery and fantasizing aloud about plunging said cutlery into the bodies of those unruly students. Any teacher would. But apparently in "today's America," this behavior is frowned upon.

Only a few hours before suspected shooter Adam Lanza began his attack on Sandy Hook Elementary School in Connecticut, a 36-year-old man went on a similar rampage in China's Henan province. Using a kitchen knife, a farmer that police have identified as Min Yingjun stabbed 22 children and one adult just before 8:00 in the morning yesterday.

It's been a pretty crazy week to be skin. One man ate another man's skin off his face. The skin of a foot (and also the other parts of a foot that comprise an entire foot) was mailed to Canadian governmental headquarters. Rose Byrne's skin is dry, dry, so, so dry.

What is undisputed is this: W. Bryan Jennings, an investment banker with Morgan Stanley, got a cab to drive him from his office in Manhattan back to his home in Darien, Connecticut. In Darien, Jennings proceeded to pull out a pen knife and stab the driver in the hands. Why?

The latest issue of the Italian gossipy mag Oggi features a cover story on Amanda Knox and her acquittal on stab-murder charges last Monday, plus a free set of knives and a pizza cutter. Clever.

At London's Notting Hill Carnival on Monday, 20 year-old Rio Andre was stabbed by a teenager after trying to break up a fight. What was that intense moment like? Well, just look at this god damn picture: There's Andre in the middle of the scene with his wound, arms out, looking stricken; there's the stabber, fleeing the scene with knife in hand; there's the heroic bystander trying to trip the perp as he runs by; there are the police, frozen, like "huh?"; there's the crowd in the background, shocked.

Seattle police have released video of the August death of 50-year-old woodcarver John Williams, who was shot by Officer Ian Birk after not following orders to drop his knife. Williams was deaf in one ear, and his knife was closed.

Pop star Joe Jonas was stopped by airport security in Abu Dhabi on Wednesday because he'd packed knives in his carry-on luggage by mistake. Yeah, that's what they all say. According to girlfriend Ashley Greene, he responded by saying "Whoopsies!"

Authorities are interviewing all passengers on a Delta flight to Japan after a knife was found under one of its seats. Last week, box cutter blades were found aboard a Delta flight from Japan to the U.S. Stop it, Japan.

According to police in Surprise, Arizona, a 12-year-old boy threatened to stab his mother on Halloween after she refused to let him trick-or-treat in a "gay Justin Bieber" costume.

Laptop burns! Pizza frequencies! Drug trial speed! Knife-throwing wonder! Drill-less cavities! Rabies alert! Minorities in science! It's your Monday Health Watch, where we watch your health—so single-mindedly we scarcely notice the hot item roasting our poor flesh!

A 29-year-old Brazilian man named Edeilson Nascimento was stabbed in the head after a bar fight in 2007. After suffering severe headaches, he asked for a risky surgery to have the blade removed. That was earlier this week.

A student wearing a bullet-proof vest cut the throat of a dean at Kansas City's Metropolitan Community College-Penn Valley today, before a press conference where Missouri's governor was expected to speak only minutes later. The dean is still alive.